Alert archive / Georgia / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 21, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 12, 2004, 11:00 PM EDT for Harris County, Georgia. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 12, 2004, 11:00 PM EDT (03:00 UTC)
- Expired
- Apr 12, 2004, 11:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County Harris County, GA
The radar
The Atlanta radar (KFFC), 80 km from the middle of the area, began a volume at 03:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 12, 11:10 PM EDT | HAIL 1.25 | Hamilton, GA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 12, 7:50 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.0 hours before the alert went out and 83 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 823 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1087 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
812
WUUS52 KFFC 130300
SVRATL
GAC145-130330-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1058 PM EDT MON APR 12 2004
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
HARRIS COUNTY IN WEST CENTRAL GEORGIA
* UNTIL 1130 PM EDT
* AT 1053 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 25 MILES SOUTH OF HAMILTON...ENTERING SOUTHWEST
MUCSOGEE COUNTY...MOVING NORTHEAST AT 65 MPH.
* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HAMILTON...
PINE MOUNTAIN...SHILOH...AND WAVERLY HALL.
THIS STORM HAS HAD A LONG HISTORY OF PRODUCING HAIL TO THE SIZE OF
GOLF
BALLS. WIND GUSTS TO 60 MPH ARE ALSO POSSIBLE WITH THIS
THUNDERSTORM.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
LAT...LON 3260 8505 3278 8513 3286 8515 3284 8467
3273 8471 3260 8480
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 8:07 PM EDT | Severe Thunderstorm Warning | FFC | Pike | 23 min |
| Apr 12, 8:22 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Jasper | 23 min |
| Apr 12, 10:49 PM EDT | Severe Thunderstorm Warning | FFC | Muscogee | 26 min |
| Apr 12, 10:52 PM EDT | Severe Thunderstorm Warning | FFC | Muscogee | 23 min |
| Apr 12, 11:13 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether | 32 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2004Every severe thunderstorm warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.